ID: 250

AQSQID: 080013001

Site Name: Welby - 78th Ave. & Steele St.

Added: April 21, 2020, 6:24 p.m.

Updated: Jan. 17, 2022, 3:33 p.m.

Location: Denver (Steele St), CO

Reporting: True, Located: True

Current AQI: 61.0

Denver (Steele St) CO, US: 39.8392, -104.9489

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 17, 2022, 2 p.m. N/A N/A N/A 45.0 ppb (43) N/A 2.0 ppb (3) 1.0 ppb (1) 0.75 ppb (10) 74.0 μg/m3 (61) N/A 61.0
 
Jan. 17, 2022, 1 p.m. N/A N/A N/A 38.0 ppb (36) N/A 0.0 ppb (0) 0.0 ppb (0) 0.53 ppb (6) 47.0 μg/m3 (44) N/A 44.0
 
Jan. 17, 2022, noon N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.45 ppb (6) 25.0 μg/m3 (24) N/A 34.0
 
Jan. 17, 2022, 11 a.m. N/A N/A N/A 35.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.42 ppb (5) 12.0 μg/m3 (12) N/A 34.0
 
Jan. 17, 2022, 10 a.m. N/A N/A N/A 33.0 ppb (32) N/A 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (6) 16.0 μg/m3 (15) N/A 32.0
 
Jan. 17, 2022, 9 a.m. N/A N/A N/A 34.0 ppb (33) N/A 0.0 ppb (0) 0.0 ppb (0) 0.61 ppb (7) 22.0 μg/m3 (21) N/A 33.0
 
Jan. 17, 2022, 8 a.m. N/A N/A N/A 33.0 ppb (32) N/A 0.0 ppb (0) 0.0 ppb (0) 0.84 ppb (10) 26.0 μg/m3 (25) N/A 32.0
 
Jan. 17, 2022, 7 a.m. N/A N/A N/A 29.0 ppb (28) N/A 0.0 ppb (0) 0.0 ppb (0) 0.54 ppb (6) 13.0 μg/m3 (13) N/A 28.0
 
Jan. 17, 2022, 6 a.m. N/A N/A N/A 29.0 ppb (28) N/A 0.0 ppb (0) 1.0 ppb (1) 0.43 ppb (5) 20.0 μg/m3 (19) N/A 28.0
 
Jan. 17, 2022, 5 a.m. N/A N/A N/A 24.0 ppb (23) N/A 0.0 ppb (0) 7.0 ppb (7) 0.3 ppb (4) 22.0 μg/m3 (21) N/A 23.0
 
Jan. 17, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 6.0 ppb (6) 0.32 ppb (4) 19.0 μg/m3 (18) N/A 18.0
 
Jan. 17, 2022, 3 a.m. N/A N/A N/A 32.0 ppb (31) N/A 0.0 ppb (0) 5.0 ppb (5) 0.39 ppb (5) 56.0 μg/m3 (52) N/A 52.0
 
Jan. 17, 2022, 2 a.m. N/A N/A N/A 24.0 ppb (23) N/A 0.0 ppb (0) 9.0 ppb (9) 0.38 ppb (5) 23.0 μg/m3 (22) N/A 23.0
 
Jan. 17, 2022, 1 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 19.0 ppb (18) 0.24 ppb (3) 37.0 μg/m3 (35) N/A 35.0
 
Jan. 17, 2022, midnight N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 27.0 ppb (25) 0.18 ppb (3) 16.0 μg/m3 (15) N/A 25.0
 
Jan. 16, 2022, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.14 ppb (2) 15.0 μg/m3 (14) N/A 34.0
 
Jan. 16, 2022, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (33) 0.14 ppb (2) 22.0 μg/m3 (21) N/A 33.0
 
Jan. 16, 2022, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (34) 0.13 ppb (2) 17.0 μg/m3 (16) N/A 34.0
 
Jan. 16, 2022, 8 p.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 34.0 ppb (32) 0.19 ppb (3) 24.0 μg/m3 (23) N/A 32.0
 
Jan. 16, 2022, 7 p.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 27.0 ppb (25) 0.26 ppb (4) 14.0 μg/m3 (13) N/A 25.0
 
Jan. 16, 2022, 6 p.m. N/A N/A N/A 25.0 ppb (24) N/A 4.0 ppb (6) 21.0 ppb (20) 0.29 ppb (4) 20.0 μg/m3 (19) N/A 24.0
 
Jan. 16, 2022, 5 p.m. N/A N/A N/A 26.0 ppb (25) N/A 1.0 ppb (2) 16.0 ppb (15) 0.3 ppb (4) 22.0 μg/m3 (21) N/A 25.0
 
Jan. 16, 2022, 4 p.m. N/A N/A N/A 31.0 ppb (30) N/A 0.0 ppb (0) 11.0 ppb (11) 0.34 ppb (4) 28.0 μg/m3 (26) N/A 30.0
 
Jan. 16, 2022, 3 p.m. N/A N/A N/A 29.0 ppb (28) N/A 0.0 ppb (0) 10.0 ppb (10) 0.29 ppb (4) 23.0 μg/m3 (22) N/A 28.0
 
Jan. 16, 2022, 2 p.m. N/A N/A N/A 35.0 ppb (34) N/A 0.0 ppb (0) 4.0 ppb (4) 0.29 ppb (4) 14.0 μg/m3 (13) N/A 34.0
 
Jan. 16, 2022, 1 p.m. N/A N/A N/A 35.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.48 ppb (6) 19.0 μg/m3 (18) N/A 34.0
 
Jan. 16, 2022, noon N/A N/A N/A 29.0 ppb (28) N/A 0.0 ppb (0) 0.0 ppb (0) 0.39 ppb (5) 14.0 μg/m3 (13) N/A 28.0
 
Jan. 16, 2022, 11 a.m. N/A N/A N/A 32.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) 0.37 ppb (5) 20.0 μg/m3 (19) N/A 31.0
 
Jan. 16, 2022, 10 a.m. N/A N/A N/A 30.0 ppb (29) N/A 0.0 ppb (0) 1.0 ppb (1) 0.32 ppb (4) 16.0 μg/m3 (15) N/A 29.0
 
Jan. 16, 2022, 9 a.m. N/A N/A N/A 30.0 ppb (29) N/A 0.0 ppb (0) 3.0 ppb (3) 0.37 ppb (5) 41.0 μg/m3 (38) N/A 38.0
 
Jan. 16, 2022, 8 a.m. N/A N/A N/A 33.0 ppb (32) N/A 0.0 ppb (0) 3.0 ppb (3) 0.36 ppb (5) 25.0 μg/m3 (24) N/A 32.0
 
Jan. 16, 2022, 7 a.m. N/A N/A N/A 31.0 ppb (30) N/A 0.0 ppb (0) 7.0 ppb (7) 0.32 ppb (4) 27.0 μg/m3 (25) N/A 30.0
 
Jan. 16, 2022, 6 a.m. N/A N/A N/A 35.0 ppb (34) N/A 0.0 ppb (0) 7.0 ppb (7) 0.33 ppb (4) 37.0 μg/m3 (35) N/A 35.0
 
Jan. 16, 2022, 5 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 32.0 ppb (30) 0.15 ppb (2) 26.0 μg/m3 (25) N/A 30.0
 
Jan. 16, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.14 ppb (2) 5.0 μg/m3 (5) N/A 38.0
 
Jan. 16, 2022, 3 a.m. N/A N/A N/A 31.0 ppb (30) N/A 0.0 ppb (0) 21.0 ppb (20) 0.44 ppb (5) 17.0 μg/m3 (16) N/A 30.0
 
Jan. 16, 2022, 2 a.m. N/A N/A N/A 44.0 ppb (42) N/A 0.0 ppb (0) 0.0 ppb (0) 0.76 ppb (10) 57.0 μg/m3 (52) N/A 52.0
 
Jan. 16, 2022, 1 a.m. N/A N/A N/A 42.0 ppb (40) N/A 0.0 ppb (0) 1.0 ppb (1) 0.72 ppb (8) 128.0 μg/m3 (88) N/A 88.0
 
Jan. 16, 2022, midnight N/A N/A N/A 39.0 ppb (37) N/A 0.0 ppb (0) 7.0 ppb (7) 0.47 ppb (6) 70.0 μg/m3 (59) N/A 59.0
 
Jan. 15, 2022, 11 p.m. N/A N/A N/A 21.0 ppb (20) N/A 0.0 ppb (0) 24.0 ppb (23) 0.27 ppb (4) 37.0 μg/m3 (35) N/A 35.0
 
Jan. 15, 2022, 10 p.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) 18.0 μg/m3 (17) N/A 32.0
 
Jan. 15, 2022, 9 p.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 35.0 ppb (33) 0.2 ppb (3) 10.0 μg/m3 (10) N/A 33.0
 
Jan. 15, 2022, 8 p.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 33.0 ppb (31) 0.21 ppb (3) 16.0 μg/m3 (15) N/A 31.0
 
Jan. 15, 2022, 7 p.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 32.0 ppb (30) 0.22 ppb (3) 15.0 μg/m3 (14) N/A 30.0
 
Jan. 15, 2022, 6 p.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 28.0 ppb (26) 0.23 ppb (3) 15.0 μg/m3 (14) N/A 26.0
 
Jan. 15, 2022, 5 p.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 25.0 ppb (24) 0.22 ppb (3) 13.0 μg/m3 (13) N/A 24.0
 
Jan. 15, 2022, 4 p.m. N/A N/A N/A 24.0 ppb (23) N/A 0.0 ppb (0) 16.0 ppb (15) 0.3 ppb (4) 27.0 μg/m3 (25) N/A 25.0
 
Jan. 15, 2022, 3 p.m. N/A N/A N/A 30.0 ppb (29) N/A 0.0 ppb (0) 8.0 ppb (8) 0.38 ppb (5) 23.0 μg/m3 (22) N/A 29.0
 
Jan. 15, 2022, 2 p.m. N/A N/A N/A 32.0 ppb (31) N/A 0.0 ppb (0) 3.0 ppb (3) 0.34 ppb (4) 15.0 μg/m3 (14) N/A 31.0
 
Jan. 15, 2022, 1 p.m. N/A N/A N/A 34.0 ppb (33) N/A 0.0 ppb (0) 1.0 ppb (1) 0.35 ppb (4) 7.0 μg/m3 (7) N/A 33.0
 
Jan. 15, 2022, noon N/A N/A N/A 35.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.41 ppb (5) 16.0 μg/m3 (15) N/A 34.0
 
Jan. 15, 2022, 11 a.m. N/A N/A N/A 32.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) 0.34 ppb (4) 9.0 μg/m3 (9) N/A 31.0
 
Jan. 15, 2022, 10 a.m. N/A N/A N/A 28.0 ppb (27) N/A 0.0 ppb (0) 3.0 ppb (3) 0.31 ppb (4) 11.0 μg/m3 (11) N/A 27.0
 
Jan. 15, 2022, 9 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 20.0 ppb (19) 0.23 ppb (3) 8.0 μg/m3 (8) N/A 19.0
 
Jan. 15, 2022, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.15 ppb (2) 1.0 μg/m3 (1) N/A 28.0
 
Jan. 15, 2022, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) 0.14 ppb (2) 3.0 μg/m3 (3) N/A 30.0
 
Jan. 15, 2022, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (27) 0.16 ppb (3) 4.0 μg/m3 (4) N/A 27.0
 
Jan. 15, 2022, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.15 ppb (2) 7.0 μg/m3 (7) N/A 28.0
 
Jan. 15, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.14 ppb (2) 4.0 μg/m3 (4) N/A 30.0
 
Jan. 15, 2022, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) 0.14 ppb (2) 3.0 μg/m3 (3) N/A 30.0
 
Jan. 15, 2022, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) 0.14 ppb (2) 4.0 μg/m3 (4) N/A 30.0
 
Jan. 15, 2022, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.14 ppb (2) 14.0 μg/m3 (13) N/A 30.0
 
Jan. 15, 2022, midnight N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (29) 0.15 ppb (2) 7.0 μg/m3 (7) N/A 29.0
 
Jan. 14, 2022, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (29) 0.16 ppb (3) 11.0 μg/m3 (11) N/A 29.0
 
Jan. 14, 2022, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (30) 0.14 ppb (2) 14.0 μg/m3 (13) N/A 30.0
 
Jan. 14, 2022, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) 0.12 ppb (2) 6.0 μg/m3 (6) N/A 32.0
 
Jan. 14, 2022, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.12 ppb (2) 4.0 μg/m3 (4) N/A 30.0
 
Jan. 14, 2022, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) 0.11 ppb (2) 7.0 μg/m3 (7) N/A 32.0
 
Jan. 14, 2022, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (29) 0.12 ppb (2) 3.0 μg/m3 (3) N/A 29.0
 
Jan. 14, 2022, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (27) 0.12 ppb (2) 20.0 μg/m3 (19) N/A 27.0
 
Jan. 14, 2022, 4 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 28.0 ppb (26) 0.14 ppb (2) 24.0 μg/m3 (23) N/A 26.0
 
Jan. 14, 2022, 3 p.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 25.0 ppb (24) 0.21 ppb (3) 19.0 μg/m3 (18) N/A 24.0
 
Jan. 14, 2022, 2 p.m. N/A N/A N/A 31.0 ppb (30) N/A 0.0 ppb (0) 9.0 ppb (9) 0.4 ppb (5) 31.0 μg/m3 (29) N/A 30.0
 
Jan. 14, 2022, 1 p.m. N/A N/A N/A 30.0 ppb (29) N/A 0.0 ppb (0) 10.0 ppb (10) 0.35 ppb (4) 10.0 μg/m3 (10) N/A 29.0
 
Jan. 14, 2022, noon N/A N/A N/A 38.0 ppb (36) N/A 0.0 ppb (0) 0.0 ppb (0) 0.7 ppb (8) 34.0 μg/m3 (32) N/A 36.0
 
Jan. 14, 2022, 11 a.m. N/A N/A N/A 37.0 ppb (35) N/A 0.0 ppb (0) 0.0 ppb (0) 0.71 ppb (8) 29.0 μg/m3 (27) N/A 35.0
 
Jan. 14, 2022, 10 a.m. N/A N/A N/A 38.0 ppb (36) N/A 0.0 ppb (0) 0.0 ppb (0) 0.62 ppb (7) 36.0 μg/m3 (34) N/A 36.0
 
Jan. 14, 2022, 9 a.m. N/A N/A N/A 39.0 ppb (37) N/A 0.0 ppb (0) 1.0 ppb (1) 0.58 ppb (7) 30.0 μg/m3 (28) N/A 37.0
 
Jan. 14, 2022, 8 a.m. N/A N/A N/A 40.0 ppb (38) N/A 0.0 ppb (0) 0.0 ppb (0) 0.77 ppb (10) 40.0 μg/m3 (38) N/A 38.0
 
Jan. 14, 2022, 7 a.m. N/A N/A N/A 43.0 ppb (41) N/A 1.0 ppb (2) 0.0 ppb (0) 0.94 ppb (11) 54.0 μg/m3 (50) N/A 50.0
 
Jan. 14, 2022, 6 a.m. N/A N/A N/A 45.0 ppb (43) N/A 1.0 ppb (2) 0.0 ppb (0) 1.03 ppb (12) 66.0 μg/m3 (57) N/A 57.0
 
Jan. 14, 2022, 5 a.m. N/A N/A N/A 46.0 ppb (44) N/A 1.0 ppb (2) 0.0 ppb (0) 1.04 ppb (12) 66.0 μg/m3 (57) N/A 57.0
 
Jan. 14, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.8 ppb (10) 65.0 μg/m3 (56) N/A 56.0
 
Jan. 14, 2022, 3 a.m. N/A N/A N/A 44.0 ppb (42) N/A 0.0 ppb (0) 0.0 ppb (0) 0.69 ppb (8) 71.0 μg/m3 (59) N/A 59.0
 
Jan. 14, 2022, 2 a.m. N/A N/A N/A 47.0 ppb (45) N/A 0.0 ppb (0) 0.0 ppb (0) 0.48 ppb (6) 47.0 μg/m3 (44) N/A 45.0
 
Jan. 14, 2022, 1 a.m. N/A N/A N/A 47.0 ppb (45) N/A 0.0 ppb (0) 0.0 ppb (0) 0.45 ppb (6) 51.0 μg/m3 (48) N/A 48.0
 
Jan. 14, 2022, midnight N/A N/A N/A 46.0 ppb (44) N/A 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (6) 50.0 μg/m3 (47) N/A 47.0
 
Jan. 13, 2022, 11 p.m. N/A N/A N/A 39.0 ppb (37) N/A 0.0 ppb (0) 4.0 ppb (4) 0.47 ppb (6) 58.0 μg/m3 (53) N/A 53.0
 
Jan. 13, 2022, 10 p.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 22.0 ppb (21) 0.28 ppb (4) 74.0 μg/m3 (61) N/A 61.0
 
Jan. 13, 2022, 9 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 17.0 μg/m3 (16) N/A 31.0
 
Jan. 13, 2022, 8 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 18.0 μg/m3 (17) N/A 31.0
 
Jan. 13, 2022, 7 p.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 27.0 ppb (25) 0.25 ppb (3) 27.0 μg/m3 (25) N/A 25.0
 
Jan. 13, 2022, 6 p.m. N/A N/A N/A 34.0 ppb (33) N/A 2.0 ppb (3) 16.0 ppb (15) 0.42 ppb (5) 64.0 μg/m3 (56) N/A 56.0
 
Jan. 13, 2022, 5 p.m. N/A N/A N/A 42.0 ppb (40) N/A 2.0 ppb (3) 9.0 ppb (9) 0.61 ppb (7) 95.0 μg/m3 (71) N/A 71.0
 
Jan. 13, 2022, 4 p.m. N/A N/A N/A 44.0 ppb (42) N/A 1.0 ppb (2) 6.0 ppb (6) 0.79 ppb (10) 106.0 μg/m3 (77) N/A 77.0
 
Jan. 13, 2022, 3 p.m. N/A N/A N/A 43.0 ppb (41) N/A 1.0 ppb (2) 3.0 ppb (3) 0.88 ppb (11) 87.0 μg/m3 (67) N/A 67.0
 
Jan. 13, 2022, 2 p.m. N/A N/A N/A 45.0 ppb (43) N/A 1.0 ppb (2) 1.0 ppb (1) 1.14 ppb (13) 82.0 μg/m3 (65) N/A 65.0
 
Jan. 13, 2022, 1 p.m. N/A N/A N/A 42.0 ppb (40) N/A 1.0 ppb (2) 0.0 ppb (0) 0.76 ppb (10) 50.0 μg/m3 (47) N/A 47.0
 
Jan. 13, 2022, noon N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.57 ppb (7) 29.0 μg/m3 (27) N/A 34.0
 
Jan. 13, 2022, 11 a.m. N/A N/A N/A 37.0 ppb (35) N/A 0.0 ppb (0) 0.0 ppb (0) 0.53 ppb (6) 21.0 μg/m3 (20) N/A 35.0
 
Jan. 13, 2022, 10 a.m. N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (5) 19.0 μg/m3 (18) N/A 34.0
 
Jan. 13, 2022, 9 a.m. N/A N/A N/A 37.0 ppb (35) N/A 0.0 ppb (0) 0.0 ppb (0) 0.47 ppb (6) 23.0 μg/m3 (22) N/A 35.0
 
Jan. 13, 2022, 8 a.m. N/A N/A N/A 39.0 ppb (37) N/A 0.0 ppb (0) 0.0 ppb (0) 0.56 ppb (7) 27.0 μg/m3 (25) N/A 37.0
 
Jan. 13, 2022, 7 a.m. N/A N/A N/A 41.0 ppb (39) N/A 1.0 ppb (2) 0.0 ppb (0) 0.85 ppb (10) 43.0 μg/m3 (40) N/A 40.0
 
Jan. 13, 2022, 6 a.m. N/A N/A N/A 42.0 ppb (40) N/A 0.0 ppb (0) 0.0 ppb (0) 0.82 ppb (10) 47.0 μg/m3 (44) N/A 44.0
 
Jan. 13, 2022, 5 a.m. N/A N/A N/A 43.0 ppb (41) N/A 0.0 ppb (0) 0.0 ppb (0) 0.89 ppb (11) 65.0 μg/m3 (56) N/A 56.0
 
Jan. 13, 2022, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 0.0 ppb (0) 0.93 ppb (11) 73.0 μg/m3 (60) N/A 60.0
 
Jan. 13, 2022, 3 a.m. N/A N/A N/A 46.0 ppb (44) N/A 1.0 ppb (2) 0.0 ppb (0) 0.87 ppb (11) N/A N/A 44.0
 
Jan. 13, 2022, 2 a.m. N/A N/A N/A 43.0 ppb (41) N/A 1.0 ppb (2) 1.0 ppb (1) 1.21 ppb (14) N/A N/A 41.0
 
Jan. 13, 2022, 1 a.m. N/A N/A N/A 43.0 ppb (41) N/A 1.0 ppb (2) 0.0 ppb (0) 1.23 ppb (14) 271.0 μg/m3 (159) N/A 159.0
 
Jan. 13, 2022, midnight N/A N/A N/A 44.0 ppb (42) N/A 0.0 ppb (0) 0.0 ppb (0) 0.76 ppb (10) N/A N/A 42.0
 
Jan. 12, 2022, 11 p.m. N/A N/A N/A 37.0 ppb (35) N/A 0.0 ppb (0) 8.0 ppb (8) 0.38 ppb (5) N/A N/A 35.0
 
Jan. 12, 2022, 10 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 31.0 ppb (29) 0.17 ppb (3) 29.0 μg/m3 (27) N/A 29.0
 
Jan. 12, 2022, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (35) 0.13 ppb (2) 12.0 μg/m3 (12) N/A 35.0
 
Jan. 12, 2022, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (35) 0.13 ppb (2) 13.0 μg/m3 (13) N/A 35.0
 
Jan. 12, 2022, 7 p.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 27.0 ppb (25) 0.24 ppb (3) 43.0 μg/m3 (40) N/A 40.0
 
Jan. 12, 2022, 6 p.m. N/A N/A N/A 44.0 ppb (42) N/A 2.0 ppb (3) N/A 0.49 ppb (6) 73.0 μg/m3 (60) N/A 60.0
 
Jan. 12, 2022, 5 p.m. N/A N/A N/A 50.0 ppb (48) N/A 4.0 ppb (6) 7.0 ppb (7) 0.67 ppb (8) 99.0 μg/m3 (73) N/A 73.0
 
Jan. 12, 2022, 4 p.m. N/A N/A N/A 54.0 ppb (51) N/A 3.0 ppb (5) 3.0 ppb (3) 0.93 ppb (11) 127.0 μg/m3 (87) N/A 87.0
 
Jan. 12, 2022, 3 p.m. N/A N/A N/A 46.0 ppb (44) N/A 2.0 ppb (3) 1.0 ppb (1) 1.27 ppb (15) 102.0 μg/m3 (75) N/A 75.0
 
Jan. 12, 2022, 2 p.m. N/A N/A N/A 46.0 ppb (44) N/A 2.0 ppb (3) 0.0 ppb (0) 0.96 ppb (12) 98.0 μg/m3 (73) N/A 73.0
 
Jan. 12, 2022, 1 p.m. N/A N/A N/A 42.0 ppb (40) N/A 2.0 ppb (3) 0.0 ppb (0) 0.76 ppb (10) 100.0 μg/m3 (74) N/A 74.0
 
Jan. 12, 2022, noon N/A N/A N/A 38.0 ppb (36) N/A 0.0 ppb (0) 0.0 ppb (0) 0.49 ppb (6) 35.0 μg/m3 (33) N/A 36.0
 
Jan. 12, 2022, 11 a.m. N/A N/A N/A 35.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.46 ppb (6) 33.0 μg/m3 (31) N/A 34.0
 
Jan. 12, 2022, 10 a.m. N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (5) 26.0 μg/m3 (25) N/A 34.0
 
Jan. 12, 2022, 9 a.m. N/A N/A N/A 37.0 ppb (35) N/A 0.0 ppb (0) 0.0 ppb (0) 0.46 ppb (6) 27.0 μg/m3 (25) N/A 35.0
 
Jan. 12, 2022, 8 a.m. N/A N/A N/A 37.0 ppb (35) N/A 0.0 ppb (0) 0.0 ppb (0) 0.47 ppb (6) 25.0 μg/m3 (24) N/A 35.0
 
Jan. 12, 2022, 7 a.m. N/A N/A N/A 38.0 ppb (36) N/A 0.0 ppb (0) 0.0 ppb (0) 0.51 ppb (6) 21.0 μg/m3 (20) N/A 36.0
 
Jan. 12, 2022, 6 a.m. N/A N/A N/A 43.0 ppb (41) N/A 1.0 ppb (2) 0.0 ppb (0) 0.61 ppb (7) 34.0 μg/m3 (32) N/A 41.0
 
Jan. 12, 2022, 5 a.m. N/A N/A N/A 45.0 ppb (43) N/A 0.0 ppb (0) 0.0 ppb (0) 0.77 ppb (10) 59.0 μg/m3 (53) N/A 53.0
 
Jan. 12, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.87 ppb (11) 65.0 μg/m3 (56) N/A 56.0
 
Jan. 12, 2022, 3 a.m. N/A N/A N/A 43.0 ppb (41) N/A 0.0 ppb (0) 0.0 ppb (0) 0.8 ppb (10) 73.0 μg/m3 (60) N/A 60.0
 
Jan. 12, 2022, 2 a.m. N/A N/A N/A 44.0 ppb (42) N/A 0.0 ppb (0) 0.0 ppb (0) 0.79 ppb (10) 110.0 μg/m3 (79) N/A 79.0
 
Jan. 12, 2022, 1 a.m. N/A N/A N/A 44.0 ppb (42) N/A 0.0 ppb (0) 0.0 ppb (0) 0.62 ppb (7) 69.0 μg/m3 (58) N/A 58.0
 
Jan. 12, 2022, midnight N/A N/A N/A 29.0 ppb (28) N/A 0.0 ppb (0) 11.0 ppb (11) 0.36 ppb (5) 54.0 μg/m3 (50) N/A 50.0
 
Jan. 11, 2022, 11 p.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 21.0 ppb (20) 0.21 ppb (3) 33.0 μg/m3 (31) N/A 31.0
 
Jan. 11, 2022, 10 p.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 25.0 ppb (24) 0.19 ppb (3) 37.0 μg/m3 (35) N/A 35.0
 
Jan. 11, 2022, 9 p.m. N/A N/A N/A 33.0 ppb (32) N/A 0.0 ppb (0) 18.0 ppb (17) 0.33 ppb (4) 65.0 μg/m3 (56) N/A 56.0
 
Jan. 11, 2022, 8 p.m. N/A N/A N/A 41.0 ppb (39) N/A 0.0 ppb (0) 14.0 ppb (13) 0.41 ppb (5) 66.0 μg/m3 (57) N/A 57.0
 
Jan. 11, 2022, 7 p.m. N/A N/A N/A 48.0 ppb (46) N/A 1.0 ppb (2) 8.0 ppb (8) 0.57 ppb (7) 88.0 μg/m3 (68) N/A 68.0
 
Jan. 11, 2022, 6 p.m. N/A N/A N/A 47.0 ppb (45) N/A 2.0 ppb (3) 7.0 ppb (7) 0.6 ppb (7) 97.0 μg/m3 (72) N/A 72.0
 
Jan. 11, 2022, 5 p.m. N/A N/A N/A 46.0 ppb (44) N/A 1.0 ppb (2) 6.0 ppb (6) 0.69 ppb (8) 122.0 μg/m3 (85) N/A 85.0
 
Jan. 11, 2022, 4 p.m. N/A N/A N/A 41.0 ppb (39) N/A 1.0 ppb (2) N/A 0.74 ppb (8) 97.0 μg/m3 (72) N/A 72.0
 
Jan. 11, 2022, 3 p.m. N/A N/A N/A 41.0 ppb (39) N/A 0.0 ppb (0) 4.0 ppb (4) 0.84 ppb (10) 85.0 μg/m3 (66) N/A 66.0
 
Jan. 11, 2022, 2 p.m. N/A N/A N/A 44.0 ppb (42) N/A 1.0 ppb (2) 1.0 ppb (1) 0.98 ppb (12) 92.0 μg/m3 (70) N/A 70.0
 
Jan. 11, 2022, 1 p.m. N/A N/A N/A 42.0 ppb (40) N/A 0.0 ppb (0) 0.0 ppb (0) 0.73 ppb (8) 52.0 μg/m3 (49) N/A 49.0
 
Jan. 11, 2022, noon N/A N/A N/A 41.0 ppb (39) N/A 0.0 ppb (0) 0.0 ppb (0) 0.68 ppb (8) 38.0 μg/m3 (36) N/A 39.0
 
Jan. 11, 2022, 11 a.m. N/A N/A N/A 39.0 ppb (37) N/A 0.0 ppb (0) 0.0 ppb (0) 0.56 ppb (7) 22.0 μg/m3 (21) N/A 37.0
 
Jan. 11, 2022, 10 a.m. N/A N/A N/A 39.0 ppb (37) N/A 0.0 ppb (0) 0.0 ppb (0) 0.58 ppb (7) 23.0 μg/m3 (22) N/A 37.0
 
Jan. 11, 2022, 9 a.m. N/A N/A N/A 40.0 ppb (38) N/A 0.0 ppb (0) 0.0 ppb (0) 0.56 ppb (7) 26.0 μg/m3 (25) N/A 38.0
 
Jan. 11, 2022, 8 a.m. N/A N/A N/A 40.0 ppb (38) N/A 0.0 ppb (0) 0.0 ppb (0) 0.62 ppb (7) 24.0 μg/m3 (23) N/A 38.0
 
Jan. 11, 2022, 7 a.m. N/A N/A N/A 41.0 ppb (39) N/A 0.0 ppb (0) 0.0 ppb (0) 0.75 ppb (10) 29.0 μg/m3 (27) N/A 39.0
 
Jan. 11, 2022, 6 a.m. N/A N/A N/A 41.0 ppb (39) N/A 0.0 ppb (0) 0.0 ppb (0) 0.82 ppb (10) 39.0 μg/m3 (37) N/A 39.0
 
Jan. 11, 2022, 5 a.m. N/A N/A N/A 42.0 ppb (40) N/A 1.0 ppb (2) 0.0 ppb (0) 1.35 ppb (16) 59.0 μg/m3 (53) N/A 53.0
 
Jan. 11, 2022, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 0.0 ppb (0) 1.29 ppb (15) 69.0 μg/m3 (58) N/A 58.0
 
Jan. 11, 2022, 3 a.m. N/A N/A N/A 39.0 ppb (37) N/A 1.0 ppb (2) 0.0 ppb (0) 1.14 ppb (13) 76.0 μg/m3 (62) N/A 62.0
 
Jan. 11, 2022, 2 a.m. N/A N/A N/A 44.0 ppb (42) N/A 0.0 ppb (0) 1.0 ppb (1) 0.97 ppb (12) 96.0 μg/m3 (72) N/A 72.0
 
Jan. 11, 2022, 1 a.m. N/A N/A N/A 45.0 ppb (43) N/A 0.0 ppb (0) 0.0 ppb (0) 0.64 ppb (7) 93.0 μg/m3 (70) N/A 70.0
 
Jan. 11, 2022, midnight N/A N/A N/A 46.0 ppb (44) N/A 0.0 ppb (0) 0.0 ppb (0) 0.55 ppb (7) 81.0 μg/m3 (64) N/A 64.0
 
Jan. 10, 2022, 11 p.m. N/A N/A N/A 40.0 ppb (38) N/A 0.0 ppb (0) 7.0 ppb (7) 0.45 ppb (6) 89.0 μg/m3 (68) N/A 68.0
 
Jan. 10, 2022, 10 p.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 29.0 ppb (27) 0.17 ppb (3) 61.0 μg/m3 (54) N/A 54.0
 
Jan. 10, 2022, 9 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 36.0 ppb (34) 0.17 ppb (3) 18.0 μg/m3 (17) N/A 34.0
 
Jan. 10, 2022, 8 p.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 31.0 ppb (29) 0.21 ppb (3) 25.0 μg/m3 (24) N/A 29.0
 
Jan. 10, 2022, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) 0.2 ppb (3) 23.0 μg/m3 (22) N/A 28.0
 
Jan. 10, 2022, 6 p.m. N/A N/A N/A 21.0 ppb (20) N/A 0.0 ppb (0) 23.0 ppb (22) 0.28 ppb (4) 41.0 μg/m3 (38) N/A 38.0
 
Jan. 10, 2022, 5 p.m. N/A N/A N/A 31.0 ppb (30) N/A 0.0 ppb (0) 17.0 ppb (16) 0.39 ppb (5) 68.0 μg/m3 (58) N/A 58.0
 
Jan. 10, 2022, 4 p.m. N/A N/A N/A 44.0 ppb (42) N/A N/A 8.0 ppb (8) 0.78 ppb (10) 141.0 μg/m3 (94) N/A 94.0
 
Jan. 10, 2022, 3 p.m. N/A N/A N/A 46.0 ppb (44) N/A 1.0 ppb (2) N/A N/A 103.0 μg/m3 (75) N/A 75.0